Minesweeper 99 Achievements Here is the full list of all 14 Minesweeper 99 achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc What are achievement flags? Click to find outApply BeginnerWin a game in Beginner difficulty. IntermediateWin a game in Intermediate difficulty. ExpertWin a game in Expert difficulty. NightmareWin a game in Nightmare difficulty. Under 30Win a game in Intermediate difficulty under 30 seconds. Under 50Win a game in Expert difficulty under 50 seconds. Under 70Win a game in Nightmare difficulty under 70 seconds. 40KScore at least 40K in Intermediate difficulty. 100KScore at least 100K in Expert difficulty. 200KScore at least 200K in Nightmare difficulty. Real MinesweeperWin 100 games in any difficulty. Real ExpertWin 10 games in Expert difficulty. Stay AwakeWin 10 games in Nightmare difficulty. Play Like a ProWin 10 games in Classic Expert difficulty.